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 The Treble Tool Junior
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The Treble Tool Junior
Artikel Nr. 333
EUR 199,83  
inkl. MwSt.
Versandkostenfrei innerhalb Deutschlands
Versandkosten international..
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Guitarsystems: The Treble Tool Junior
The Treble Tool Junior

Testbericht in Gitarre & Bass
Ausgabe 07/2010, Seite 182

The flexible Treblebooster based on the famous Dallas Rangemaster. Adjust the character to any guitar or amp with the TMF adjustment.


• Weight 238 gr. excl. 9V battery
• Battery power 9V standard type 6LR6
• External power supply 9Vdc / 30mA regulated
• Power consumption 0,9 to 1,4 mA at 9Vdc
(average battery lifetime is 240 hours)

Gain control - adjust the effect output volume
Continuous variable range control (T.M.F.) - dial in the
amount of bass with a specific guitar type or pickup combination
Tone control - adjust the amount of treble for a specific amplifier
The PaulSwitch Jr.® - robust true bypass footswitch to switch
effect on/off & to avoid tone sucking in bypass operation
External power supply - (noise reduced) providing the option
to use an external power supply without inducing noise or
changing the character of the sound.
Reverse and over voltage protection - to protect the sensitive
germanium transistor and keeping the pedal running for many
years to come
Radio Frequency Interference (RFI) suppression - avoiding
radio signal reception when using high gain setting in combination
with turning down guitar volume
Note: NOS stands for New Old Stock

Dallas Rangemaster History
The main concept of the TrebleTool Junior© is based on the Dallas
Rangemaster, a germanium transistor based treble booster developed around 1965 in London, UK by a company called John E.
Dallas & Sons Limited. The Rangemaster was used to drive Tube
Amplifiers into saturation because (high) gain Tube Amplifiers were not available during the 60‘ties. Famous guitar players who created their unique sound with a treblebooster are: Rory Gallagher, Eric Clapton, Ritchie Blackmore, David Gilmour, Bryan May and Tony Iommi

Technology concept
Like the original Rangemaster, the core of the TrebleTool Junior©
is a single stage transistor preamplifier based on a selected NOS
germanium transistor with the correct technical specifications
combined with a high pass filter. It creates a transparent dynamic
sound that will cut through the mix without being perceived as
over the hill. The TrebleTool Junior© is basically a Rangemaster
extended with features that increase operating flexibility and
solve short comings of the original design but do not change the
original Rangemaster sound character.

Preise inkl. der gesetzlichen MwSt. Satzfehler und Irrtümer vorbehalten. Lieferung von Ware am Lager solange Vorrat reicht. Preise in € zzgl. Versandkosten.
© Frank Post, Bruchwiesenstrasse 25, D-66111 Saarbrücken, Telefon 0049(0)681-5898564, Email info AT loopersparadise de

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